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Old 07-23-2006, 09:13 AM   #1
hansalfredche
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Registered: Jun 2005
Posts: 445

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Nvidia driver 8762 refusing to work at 85Hz


Hi there

I have an Eizo T57s monitor (CRT) on a Nvidia 6800 graphic card. OS is Mandriva 2006 with kernel 2.6.12-24 and I'm using Nvidia drivers 8762 from PLF. My problem is, wathever I put in the xorg.conf file, the driver refuses to use 85Hz at 1280x1024 (definitely supported by monitor and card, using open drivers I have no problems with this setting). Could somebody tell me how I get the 85Hz back, actually it is only working with 60Hz.

I've already tried putting only 85 in the VertRefresh line, without success. The driver just ignored it.

Here's the xorg.conf file:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Mon May 15 13:23:42 PDT 2006

# File generated by XFdrake.
# **********************************************************************
# Refer to the XF86Config man page for details about the format of
# this file.
# **********************************************************************

Section "ServerLayout"
Identifier "layout1"
Screen "screen1" 0 0
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
EndSection

Section "Files"

# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Mandrake 6.0 and later now use a font server independent of
# the X server to render fonts.
FontPath "unix/:-1"
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "vbe"
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "/usr/X11R6/lib/modules/extensions/nvidia/libglx.so"
Load "glx"
Load "int10"
Load "bitmap"
Load "i2c"
EndSection

Section "ServerFlags"

#DontZap # disable <Crtl><Alt><BS> (server abort)
#DontZoom # disable <Crtl><Alt><KP_+>/<KP_-> (resolution switching)
# allows the server to start up even if the mouse does not work
Option "allowmouseopenfail"
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "keyboard"
Option "XkbModel" "pc105"
Option "XkbLayout" "de_CH"
Option "XkbOptions" "compose:rwin"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
Option "ZAxisMapping" "4 5"
EndSection

Section "Monitor"

# TV fullscreen mode or DVD fullscreen output.
# 768x576 @ 79 Hz, 50 kHz hsync
Identifier "monitor1"
VendorName "Eizo"
ModelName "Eizo T57S"
HorizSync 30.0 - 92.0
VertRefresh 50.0 - 160.0
ModeLine "768x576" 50.0 768 832 846 1000 576 590 595 630
ModeLine "768x576" 63.1 768 800 960 1024 576 578 590 616
EndSection

Section "Device"
Identifier "device1"
Driver "nvidia"
VendorName "nVidia Corp."
BoardName "NVIDIA GeForce 6800 (generic)"
EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultDepth 24
Option "DPMS"
Option "AllowGLXWithComposite"
Option "IgnoreEDID" "1"
SubSection "Display"
#Virtual 1280 1024
Depth 8
EndSubSection
SubSection "Display"
#Virtual 1280 1024
Depth 15
EndSubSection
SubSection "Display"
#Virtual 1280 1024
Depth 16
EndSubSection
SubSection "Display"
#Virtual 1280 1024
Depth 24
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
 
Old 07-24-2006, 06:31 AM   #2
jagwah
LQ Newbie
 
Registered: Jun 2006
Location: Australia
Distribution: SimplyMEPIS 8.0, debian 5.0
Posts: 22

Rep: Reputation: 15
Try changing the 'Modes' line to read something like this


Modes "1280x1024_85" "1024x768_85" "800x600_85" "640x480_85"

instead of this

Modes "1280x1024" "1024x768" "800x600" "640x480"

Last edited by jagwah; 07-24-2006 at 06:33 AM.
 
Old 07-24-2006, 01:27 PM   #3
hansalfredche
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Registered: Jun 2005
Posts: 445

Original Poster
Rep: Reputation: 31
OK, I changed it, but now I get 1024x768@75Hz

Is there some way to tell the Nvidia drivers (not Xorg) to use a specific refresh rate?
 
Old 07-25-2006, 02:53 PM   #4
puntjuh
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Registered: Apr 2006
Location: holland
Distribution: Gentoo / debian / suse / mint
Posts: 558

Rep: Reputation: 42
I had that same problem when i picked my monitor out of the list. <Using SuSe 10.1>

I now use VESA .. And I can pick all Refresh Rates.. Here's my xorg.conf.

using latest Nvidia driver.. 7600GS

Code:
diempinguin:/home/tux # cat /etc/X11/xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Mon May 15 13:23:42 PDT
 2006

# /.../
# SaX generated X11 config file
# Created on: 2006-07-23T15:31:56+0200.
#
# Version: 7.1
# Contact: Marcus Schaefer <sax@suse.de>, 2005
# Contact: SaX-User list <https://lists.berlios.de/mailman/listinfo/sax-users>
#
# Automatically generated by [ISaX] (7.1)
# PLEASE DO NOT EDIT THIS FILE!
#

Section "ServerLayout"
    Identifier     "Layout[all]"
    Screen         "Screen[0]" 0 0
    InputDevice    "Keyboard[0]" "CoreKeyboard"
    InputDevice    "Mouse[1]" "CorePointer"
    Option         "Clone" "off"
    Option         "Xinerama" "off"
EndSection

Section "Files"
    InputDevices      "/dev/gpmdata"
    InputDevices      "/dev/input/mice"
    FontPath        "/usr/X11R6/lib/X11/fonts/misc:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/local"
    FontPath        "/usr/X11R6/lib/X11/fonts/75dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/100dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/Type1"
    FontPath        "/usr/X11R6/lib/X11/fonts/URW"
    FontPath        "/usr/X11R6/lib/X11/fonts/Speedo"
    FontPath        "/usr/X11R6/lib/X11/fonts/PEX"
    FontPath        "/usr/X11R6/lib/X11/fonts/cyrillic"
    FontPath        "/usr/X11R6/lib/X11/fonts/latin2/misc:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/latin2/75dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/latin2/100dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/latin2/Type1"
    FontPath        "/usr/X11R6/lib/X11/fonts/latin7/75dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/baekmuk:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/japanese:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/kwintv"
    FontPath        "/usr/X11R6/lib/X11/fonts/truetype"
    FontPath        "/usr/X11R6/lib/X11/fonts/uni:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/CID"
    FontPath        "/usr/X11R6/lib/X11/fonts/ucs/misc:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/ucs/75dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/ucs/100dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/hellas/misc:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/hellas/75dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/hellas/100dpi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/hellas/Type1"
    FontPath        "/usr/X11R6/lib/X11/fonts/misc/sgi:unscaled"
    FontPath        "/usr/X11R6/lib/X11/fonts/xtest"
    FontPath        "/opt/kde3/share/fonts"
EndSection

Section "Module"
    Load           "glx"
    Load           "type1"
    Load           "extmod"
    Load           "dbe"
    Load           "freetype"
    Load           "v4l"
EndSection

Section "ServerFlags"
    Option         "AllowMouseOpenFail" "on"
EndSection

Section "InputDevice"
    Identifier     "Keyboard[0]"
    Driver         "kbd"
    Option         "Protocol" "Standard"
    Option         "XkbLayout" "us"
    Option         "XkbModel" "pc104"
    Option         "XkbRules" "xfree86"
EndSection

Section "InputDevice"
    Identifier     "Mouse[1]"
    Driver         "mouse"
    Option         "Buttons" "10"
    Option         "Device" "/dev/input/mice"
    Option         "Name" "PS2++ Logitech MX Mouse"
    Option         "Protocol" "explorerps/2"
    Option         "Vendor" "Sysp"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "Modes"
    Identifier         "Modes[0]"
    ModeLine     "1024x768" 92.0 1024 1056 1168 1344 768 769 772 806
    ModeLine     "1024x600" 71.1 1024 1080 1192 1360 600 601 604 630
    ModeLine     "1024x600" 69.3 1024 1080 1184 1344 600 601 604 629
    ModeLine     "1024x600" 68.5 1024 1080 1184 1344 600 601 604 629
    ModeLine     "800x600" 55.2 800 840 928 1056 600 601 604 630
    ModeLine     "800x600" 54.5 800 840 928 1056 600 601 604 629
    ModeLine     "800x600" 53.8 800 840 928 1056 600 601 604 629
    ModeLine     "768x576" 50.6 768 808 888 1008 576 577 580 605
    ModeLine     "768x576" 49.9 768 808 888 1008 576 577 580 604
    ModeLine     "768x576" 49.3 768 808 888 1008 576 577 580 604
    ModeLine     "640x480" 34.8 640 672 736 832 480 481 484 504
    ModeLine     "640x480" 34.4 640 672 736 832 480 481 484 504
    ModeLine     "640x480" 33.9 640 672 736 832 480 481 484 503
EndSection

Section "Monitor"
    Identifier     "Monitor[0]"
    VendorName     "--> VESA"
    ModelName      "1024X768@85HZ"
    UseModes       "Modes[0]"
    DisplaySize     340    270
    HorizSync       31.0 - 70.0
    VertRefresh     50.0 - 85.0
EndSection

Section "Device"
    Identifier     "Device[0]"
    Driver         "nvidia"
    VendorName     "NVidia"
    BoardName      "GeForce 7600 GS"
    Screen          0
EndSection

Section "Screen"
    Identifier     "Screen[0]"
    Device         "Device[0]"
    Monitor        "Monitor[0]"
    DefaultDepth    24
    SubSection     "Display"
        Depth       15
        Modes      "1024x768" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       16
        Modes      "1024x768" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       24
        Modes      "1024x768" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
    SubSection     "Display"
        Depth       8
        Modes      "1024x768" "1024x600" "800x600" "768x576" "640x480"
    EndSubSection
EndSection
 
Old 07-26-2006, 12:09 PM   #5
hansalfredche
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Registered: Jun 2005
Posts: 445

Original Poster
Rep: Reputation: 31
Hi, I tried using VESA, but it didn't changed anything. I only changed the settings for the "Monitor" section, should I have changed other things too?
 
Old 08-31-2006, 12:03 PM   #6
hansalfredche
Member
 
Registered: Jun 2005
Posts: 445

Original Poster
Rep: Reputation: 31
Solution

Hi

It seems I finally found the answer. As I supposed from the begining, the driver just overrides the settings in the "Monitor" Section and does as it pleases. Nvidia drivers get the configuration via Edid from the monitor directly. Unluckily some monitors like mine do not seem to give the correct information (or nothing at all?).

What one must do is adding to the Device section: Option "UseEdid" "FALSE"

As a result, all information concerning the monitor must be present (and correct!) in the Monitor section. Mind the DisplaySize option (in mm)

My actual xorg.conf

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Tue Aug 1 21:11:12 PDT 2006

# File generated by XFdrake.
# **********************************************************************
# Refer to the XF86Config man page for details about the format of
# this file.
# **********************************************************************

Section "ServerLayout"
Identifier "layout1"
Screen "screen1" 0 0
InputDevice "Keyboard1" "CoreKeyboard"
InputDevice "Mouse1" "CorePointer"
EndSection

Section "Files"

# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Mandrake 6.0 and later now use a font server independent of
# the X server to render fonts.
FontPath "unix/:-1"
EndSection

Section "Module"
Load "dbe" # Double-Buffering Extension
Load "vbe"
Load "v4l" # Video for Linux
Load "extmod"
Load "type1"
Load "freetype"
Load "/usr/X11R6/lib/modules/extensions/libglx.so"
Load "glx"
Load "int10"
Load "bitmap"
Load "i2c"
EndSection

Section "ServerFlags"

#DontZap # disable <Crtl><Alt><BS> (server abort)
#DontZoom # disable <Crtl><Alt><KP_+>/<KP_-> (resolution switching)
# allows the server to start up even if the mouse does not work
Option "allowmouseopenfail"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Protocol" "ExplorerPS/2"
Option "Device" "/dev/mouse"
Option "ZAxisMapping" "6 7"
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "keyboard"
Option "XkbModel" "pc105"
Option "XkbLayout" "de_CH"
Option "XkbOptions" "compose:rwin"
EndSection

Section "Monitor"
Identifier "monitor1"
VendorName "Eizo"
ModelName "T57S"
HorizSync 30.0 - 91.0
VertRefresh 50.0 - 160.0
DisplaySize 329 243
EndSection

Section "Device"
Identifier "device1"
Driver "nvidia"
VendorName "nVidia Corp."
BoardName "NVIDIA GeForce 6800 (generic)"
Option "NvAGP" "1"
Option "DDCMode" "off"
Option "UseEdid" "FALSE"
Option "UseEdidFreqs" "off"


EndSection

Section "Screen"
Identifier "screen1"
Device "device1"
Monitor "monitor1"
DefaultDepth 24
Option "DPMS"
Option "AllowGLXWithComposite"
SubSection "Display"

#Virtual 1280 1024
Depth 8
EndSubSection
SubSection "Display"

#Virtual 1280 1024
Depth 15
EndSubSection
SubSection "Display"

#Virtual 1280 1024
Depth 16
EndSubSection
SubSection "Display"

#Virtual 1280 1024
Depth 24
Modes "1280x1024_85" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
 
  


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